package com.sgj.gulimall.product.service.impl;

import com.sgj.gulimall.product.entity.AttrEntity;
import com.sgj.gulimall.product.service.AttrService;
import com.sgj.gulimall.product.vo.AttrGroupWithAttrsVo;
import com.sgj.gulimall.product.vo.SkuItemVo.*;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.sgj.common.utils.PageUtils;
import com.sgj.common.utils.Query;

import com.sgj.gulimall.product.dao.AttrGroupDao;
import com.sgj.gulimall.product.entity.AttrGroupEntity;
import com.sgj.gulimall.product.service.AttrGroupService;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {

    @Autowired
    private AttrService attrService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );
        return new PageUtils(page);
    }

    @Override
    public PageUtils queryPage(Map<String, Object> params, Long catLogId) {
        String key = (String) params.get("key");
        QueryWrapper<AttrGroupEntity> wrapper = new QueryWrapper<AttrGroupEntity>();
        if (StringUtils.isNotEmpty(key)) {
            wrapper.and(obj -> {
                obj.eq("attr_group_id", key).or().like("attr_group_name", key);
            });
        }
        if (catLogId == 0) {
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params),
                    wrapper);
            return new PageUtils(page);
        } else {
            wrapper.eq("catelog_id", catLogId);
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params),
                    wrapper);
            return new PageUtils(page);
        }
    }

    @Override
    public List<AttrGroupWithAttrsVo> getAttrGroupWithAttrsByCatelogId(Long catelogId) {
        // 查询分组信息
        List<AttrGroupEntity> attrGroupEntities = this.list(
                new QueryWrapper<AttrGroupEntity>().eq("catelog_id", catelogId)
        );
        // 查询所有属性
        List<AttrGroupWithAttrsVo> groupWithAttrsVos = attrGroupEntities.stream()
                .map(group -> {
                    AttrGroupWithAttrsVo attrGroupWithAttrsVo = new AttrGroupWithAttrsVo();
                    BeanUtils.copyProperties(group, attrGroupWithAttrsVo);

                    List<AttrEntity> attrs = attrService.getRelationAttr(attrGroupWithAttrsVo.getAttrGroupId());
                    attrGroupWithAttrsVo.setAttrs(attrs);
                    return attrGroupWithAttrsVo;
                })
                .collect(Collectors.toList());
        return groupWithAttrsVos;
    }

    @Override
    public List<SpuItemAttrGroupVo> getAttrGroupWithAttrsBySpuId(Long spuId, Long catalogId) {
        return baseMapper.getAttrGroupWithAttrsBySpuId(spuId, catalogId);
    }

}